2-6a=-4(7-a)

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Solution for 2-6a=-4(7-a) equation: 



2-6a=-4(7-a)

We move all terms to the left:

2-6a-(-4(7-a))=0

We add all the numbers together, and all the variables

-6a-(-4(-1a+7))+2=0



We calculate terms in parentheses: -(-4(-1a+7)), so:

-4(-1a+7)

We multiply parentheses

4a-28

Back to the equation:

-(4a-28)



We get rid of parentheses

-6a-4a+28+2=0

We add all the numbers together, and all the variables

-10a+30=0

We move all terms containing a to the left, all other terms to the right

-10a=-30

a=-30/-10

a=+3

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